21486335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5419}}^1$

素因数の和:5498

約数の個数: 16

約数和(自身を含む): 28227360

約数和(自身を除く): 6741025

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 5419, 27095, 70447, 330559, 352235, 1652795, 4297267, 21486335]

約数ペア:

[(1, 21486335), (5, 4297267), (13, 1652795), (61, 352235), (65, 330559), (305, 70447), (793, 27095), (3965, 5419)]